class java.util.Collections$SynchronizedMap<K, V> implements java.util.Map<K, V>, java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: java.util.Collections$SynchronizedMap
  super_class: java.lang.Object
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1978198479659022715

  private final java.util.Map<K, V> m;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<TK;TV;>;

  final java.lang.Object mutex;
    descriptor: Ljava/lang/Object;
    flags: (0x0010) ACC_FINAL

  private transient java.util.Set<K> keySet;
    descriptor: Ljava/util/Set;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Set<TK;>;

  private transient java.util.Set<java.util.Map$Entry<K, V>> entrySet;
    descriptor: Ljava/util/Set;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;

  private transient java.util.Collection<V> values;
    descriptor: Ljava/util/Collection;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Collection<TV;>;

  void <init>(java.util.Map<K, V>);
    descriptor: (Ljava/util/Map;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.util.Map m
         0: .line 1965
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 2006
            aload 0 /* this */
            aconst_null
            putfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
         2: .line 2007
            aload 0 /* this */
            aconst_null
            putfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
         3: .line 2008
            aload 0 /* this */
            aconst_null
            putfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
         4: .line 1966
            aload 1 /* m */
            ifnonnull 6
         5: .line 1967
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         6: .line 1968
      StackMap locals: java.util.Collections$SynchronizedMap java.util.Map
      StackMap stack:
            aload 0 /* this */
            aload 1 /* m */
            putfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
         7: .line 1969
            aload 0 /* this */
            aload 0 /* this */
            putfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
         8: .line 1970
            return
        end local 1 // java.util.Map m
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    9     1     m  Ljava/util/Map<TK;TV;>;
    Signature: (Ljava/util/Map<TK;TV;>;)V
    MethodParameters:
      Name  Flags
      m     

  void <init>(java.util.Map<K, V>, );
    descriptor: (Ljava/util/Map;Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.util.Map m
        start local 2 // java.lang.Object mutex
         0: .line 1972
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 2006
            aload 0 /* this */
            aconst_null
            putfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
         2: .line 2007
            aload 0 /* this */
            aconst_null
            putfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
         3: .line 2008
            aload 0 /* this */
            aconst_null
            putfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
         4: .line 1973
            aload 0 /* this */
            aload 1 /* m */
            putfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
         5: .line 1974
            aload 0 /* this */
            aload 2 /* mutex */
            putfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
         6: .line 1975
            return
        end local 2 // java.lang.Object mutex
        end local 1 // java.util.Map m
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    7     1      m  Ljava/util/Map<TK;TV;>;
            0    7     2  mutex  Ljava/lang/Object;
    Signature: (Ljava/util/Map<TK;TV;>;Ljava/lang/Object;)V
    MethodParameters:
       Name  Flags
      m      
      mutex  

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 1978
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.size:()I
            aload 1
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 1981
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.isEmpty:()Z
            aload 1
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public boolean containsKey(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
         0: .line 1984
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            aload 2
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1   key  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    MethodParameters:
      Name  Flags
      key   

  public boolean containsValue(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object value
         0: .line 1987
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* value */
            invokeinterface java.util.Map.containsValue:(Ljava/lang/Object;)Z
            aload 2
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object value
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1  value  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    MethodParameters:
       Name  Flags
      value  

  public V get();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
         0: .line 1990
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            aload 2
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1   key  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   

  public V put(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 1994
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* value */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            aload 3
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1    key  TK;
            0    5     2  value  TV;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;TV;)TV;
    MethodParameters:
       Name  Flags
      key    
      value  

  public V remove();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
         0: .line 1997
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            aload 2
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1   key  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   

  public void putAll(java.util.Map<? extends K, ? extends V>);
    descriptor: (Ljava/util/Map;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.util.Map map
         0: .line 2000
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* map */
            invokeinterface java.util.Map.putAll:(Ljava/util/Map;)V
            aload 2
            monitorexit
         2: goto 5
      StackMap locals: java.util.Collections$SynchronizedMap java.util.Map java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
         5: .line 2001
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.util.Map map
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    6     1   map  Ljava/util/Map<+TK;+TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/util/Map<+TK;+TV;>;)V
    MethodParameters:
      Name  Flags
      map   

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2003
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.clear:()V
            aload 1
            monitorexit
         2: goto 5
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
         5: .line 2004
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public java.util.Set<K> keySet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2011
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 2012
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
            ifnonnull 3
         2: .line 2013
            aload 0 /* this */
            new java.util.Collections$SynchronizedSet
            dup
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            invokespecial java.util.Collections$SynchronizedSet.<init>:(Ljava/util/Set;Ljava/lang/Object;)V
            putfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
         3: .line 2014
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
            aload 1
            monitorexit
         4: areturn
         5: .line 2011
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any
    Signature: ()Ljava/util/Set<TK;>;

  public java.util.Set<java.util.Map$Entry<K, V>> entrySet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2019
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 2020
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
            ifnonnull 3
         2: .line 2021
            aload 0 /* this */
            new java.util.Collections$SynchronizedSet
            dup
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            invokespecial java.util.Collections$SynchronizedSet.<init>:(Ljava/util/Set;Ljava/lang/Object;)V
            putfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
         3: .line 2022
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
            aload 1
            monitorexit
         4: areturn
         5: .line 2019
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any
    Signature: ()Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;

  public java.util.Collection<V> values();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2027
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 2028
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
            ifnonnull 3
         2: .line 2029
            aload 0 /* this */
            new java.util.Collections$SynchronizedCollection
            dup
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.values:()Ljava/util/Collection;
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            invokespecial java.util.Collections$SynchronizedCollection.<init>:(Ljava/util/Collection;Ljava/lang/Object;)V
            putfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
         3: .line 2030
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
            aload 1
            monitorexit
         4: areturn
         5: .line 2027
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any
    Signature: ()Ljava/util/Collection<TV;>;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object o
         0: .line 2035
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* o */
            invokeinterface java.util.Map.equals:(Ljava/lang/Object;)Z
            aload 2
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object o
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1     o  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    MethodParameters:
      Name  Flags
      o     

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2038
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.hashCode:()I
            aload 1
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2041
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            aload 1
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  private void writeObject(java.io.ObjectOutputStream);
    descriptor: (Ljava/io/ObjectOutputStream;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.io.ObjectOutputStream s
         0: .line 2044
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 1 /* s */
            invokevirtual java.io.ObjectOutputStream.defaultWriteObject:()V
            aload 2
            monitorexit
         2: goto 5
      StackMap locals: java.util.Collections$SynchronizedMap java.io.ObjectOutputStream java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
         5: .line 2045
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.io.ObjectOutputStream s
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    6     1     s  Ljava/io/ObjectOutputStream;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      s     
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Map<TK;TV;>;Ljava/io/Serializable;
SourceFile: "Collections.java"
NestHost: java.util.Collections
InnerClasses:
  SynchronizedCollection = java.util.Collections$SynchronizedCollection of java.util.Collections
  private SynchronizedMap = java.util.Collections$SynchronizedMap of java.util.Collections
  SynchronizedSet = java.util.Collections$SynchronizedSet of java.util.Collections
  public abstract Entry = java.util.Map$Entry of java.util.Map